OleDbConnection.ChangeDatabase(String) Metode

Definisi

Ruang nama:

System.Data.OleDb

Rakitan:

System.Data.OleDb.dll

Paket:

System.Data.OleDb v9.0.0-preview.4.24266.19

Sumber:

OleDbConnection.cs

Mengubah database saat ini untuk yang terbuka OleDbConnection.

public:
 override void ChangeDatabase(System::String ^ value);

public override void ChangeDatabase (string value);

override this.ChangeDatabase : string -> unit

Public Overrides Sub ChangeDatabase (value As String)

Parameter

value

String

Nama database.

Penerapan

ChangeDatabase(String)

Pengecualian

ArgumentException

Nama database tidak valid.

InvalidOperationException

Koneksi tidak terbuka.

OleDbException

Tidak dapat mengubah database.

Contoh

Contoh berikut membuat OleDbConnection dan menampilkan beberapa properti baca-saja.

static void ChangeDatabaseConnection(string connectionString)
{
   using (OleDbConnection connection = new OleDbConnection(connectionString))
   {
      try
      {
         connection.Open();
         Console.WriteLine("ServerVersion: {0} \nDatabase: {1}",
             connection.ServerVersion, connection.Database);

         connection.ChangeDatabase("Northwind");
         Console.WriteLine("ServerVersion: {0} \nDatabase: {1}",
            connection.ServerVersion, connection.Database);
      }
      catch (Exception ex)
      {
         Console.WriteLine(ex.Message);
      }
      // The connection is automatically closed when the
      // code exits the using block.
   }
}

Public Sub ChangeDatabaseConnection(ByVal connectionString As String)

   Using connection As New OleDbConnection(connectionString)
      Try
         connection.Open()
         Console.WriteLine("Server Version: {0} Database: {1}", _
             connection.ServerVersion, connection.Database)
         connection.ChangeDatabase("Northwind")
         Console.WriteLine("Server Version: {0} Database: {1}", _
            connection.ServerVersion, connection.Database)

      Catch ex As Exception
         Console.WriteLine(ex.Message)
      End Try
      ' The connection is automatically closed when the
      ' code exits the Using block.
   End Using
End Sub

Keterangan

Nilai yang database disediakan dalam parameter harus berupa nama database yang valid. Parameter database tidak boleh berisi nilai null, string kosong, atau string hanya dengan karakter kosong.

Lihat juga

• Menyambungkan ke Sumber Data